Dust collector for pneumatic cleaners



D.B. REPLOGLE.

DUST COLLECTOR FOR PNEUMATIC CLEANERS.

APPLICATION FILED JULY5,1916.

Patented. May 23, 1922.

2 SHEETS-SHEET I.

Mmam

D. B. REPLOGLE.

DUST COLLECTOR FOR PNEUMATIC CLEANERS.

APPLlCATlON FILED JULY'S, 1916.

1A1 676u Patented May 23, 1922.v

2 SHEETS-SHEET 2.

' a citizen of the United States,

B. LOGLIELOF BERKELEY, (lALIEO'RNIA.

I '0 all whom it may concern:

Be it known that I, QANIEL B. REPLOGLE, residing 'at Berkeley, in the county of Alameda and State of California, have invented anew and useful Dust Collector for Pneumatic Clean- .set forth and illustrated in tough porous paper shown in ers,'of which the following is aspecification.

This inven-tion relates to dust collectors of portable vacuumcleaners, and has for its objects, to improve the efficiency in filtering the dust from the air, to improve the means for disposing of the dust after it is collected, to make such disposition convenlent and safe, to render the same inexpensive, and other objects as may appear herein.

. To these ends, the invention consists of the construction and arrangement of parts as the accompanyin drawings in which:

Fig. 1 is a diagrammatic view of a porous paper liner blank, with a reinforcing swatch of'fabric arranged in position before folding. Fig. 2 is a similar view of the cloth from which the body of the cover is made. Fig. 3 shows a finished view of the liner. Fig. 4 is a view of the finished cover, a part being torn away to show the mouth tube. Fig. 5 is a view showing the combined parts, folded, ready to be attached to the cleaner. Fig. 6 shows details of the arrangement of the cover and liner. Fig. 7 is a view of the clamp attached to close the cover and securethe parts in position. Fig. 8 is a detailed view showing method of attaching liner, and detail of a reinforcing swatch. Fig. 9 is a view showing a dust collector embodying the invention as it appears in use.

Similar characters of reference refer to like and corresponding parts throughout the views.

,Referring to the drawings, the blank of on the line lie in the posiblank 1 is then have one of its edges folded in m-y so that the corners 3, 3 tion 3-3. The body of the folded down on the line ab so that. the top half of the blank 1 coincides with the lower half 1 and the slots 4, 4 cutting through the paper and the swatch 5 unite and combine to form the cut 4 in the neck 7- of the liner.

The -sean 1 11 is run around'the three sides of the folded blank so as to form the complete' liner as shown in Fig. 3. The contain- ,Ears 6 and 6 proof connection between the neck 7 Fig. 1 is. to

DUST GOILECTOR FOR PNEUMATIC CLEAN 1:L.-

Patented May 23 1922.,

Application filed July 5, 1916. serial No. 107,665.

mg cloth cover is formed by folding upward the lower half 2 of the cloth blank so as to coincide with being stretched across and sewed into the middle of the blank, and the edges 1-2 being provided wlth a cord 13 continuously drawn around to properly form and strengthen the vent or opening of the bag when completed. ofthe cover blank unite to form the neck 7 of the cloth cover when sewed together, and the metal ferrule 8 is arranged to secure said neck to the thir'nble 9 which has an inwardly extending curved end 9' adapted to receive the neck 7 of the llner when the liner is inserted within the area of the cover. Any suitable fastening means, as a gummed strip 14:, or rubber elastic band 14 may be used to make a dust of the llner and the curved thimble 9 of the cover.

It is apparent that when the liner is complete, that part of it described as the neck 7 is composed of two thicknesses of the swatch 5 covered inside and outside of the neck portion by a thickness of the paper of the liner, thus affording a smooth exterior and interior, which facilitate connecting, and furnish a body of material at the point where the greatest strain may occur, thus adding strength and securing the stitching from tearing the paper.

It is necessary for asuccessful operation of the device that the liner surfaces fit and coincide closely with the inner surface of the cloth cover; for it is the entire filtering is performed by the porous paper, and unless it is sustained-by the strength of the material of the cloth cover which has, of course, a coarser porosity, the liner will bc'burst or torn and thus be the cause of the very difficulties which it is designed to overcome. It is filtering capacity, not quantity holding capacity, that is desired. y The arrangement also contemplates increasing the filtering area within restricted .imits of space, wherebyprinted paper which may be. impaired in strength and'porosity, by the printing upon it, is rendered available. Its impaired porosity is compensated for by the extension of surface which the arrangement permits, and its weakened condition is met by the means I provide to sustain it from tearing. Balloon shaping of the found in practice that the upper half 2; a cord 10 cover is therefore undesirable and thus prevented.

After the liner is placed in position the bottom cord 10 of tho'cloth cover with the lower ed e of the interior liner enclosed is to be folded u award and into line with the cord 13 sean1e around the vent of the cover.

; A clamp 15 is then. exerted in such a manner ,so-as to clam the corded portions together 10 by drawin 0 amp.

t1em within the slot 16 of said hen the. dust collector is thus folded up, its efiiciency is improved by haying a porous mat 1 infol'ded as shown n Fig. 5. In practiee I find that extra paper liners which are in the future to be used on the interior are very suitable to be thus enfelded as a mat, the being in contact with the exterior cloth 0 where otherwise the cloth is brought face to face bthe method of folding up as describe When the dust collector is thus assembled it is ready for attachment to the (leaner with which it is to be used, as is shown in Fig. 9, where the clamp 15 parallels the rigid handle 17 ofthe cleaner and the mouth tube 9 attaches to the exhaust 18 thereof. The further end of the collector is secured by the clamp 19 of the cleaner handle is rigidly secured to the vacuum producing means, or in which the arts that sup-' port the collector do not or inarily change their relations during operation.

One of the great advantages of my invention is that a full direction for its proper use and operation is printed on the paper liner prior or at the time of its manufacture for-liner purposes. It is adapted to be issued 'the use set forth is believed to be novel, with or without the fabric cover combination.

Having thus described the invention, what I claim and desire to secure by Letters Patent is: a

1. In a dust collector for pneumatic cleaners, a fabric cover having a mouth and a vent, a mouth tube secured in said mouth, a orous bag like liner, adapted to be inserted through said vent and to closely fit into and line the interior of said cover, and means for operably securing said liner to said mouth tube within the cover.

2. In a dust collector for pneumatic cleaners. a fabric cover, a mouth tube secured to said cover, for attaching the whole to a cleaner, a porous paper liner within the cover, opera ly attached to said mouth tube, and arranged to line the interior surface of with sal that side of the cover the cover; together with means for keeping said paper liner in flat contact with the cover interlor.

3. In a dust collector, a cloth coverhaving a mouth and a vent, a liner made of porous filterin zpaper having a corresponding shape cover, a correspondlng mouth'but no vent, means for securing the mouths of A the cover and liner, operably to a cleaner and means for holding the paper liner in fiat contact with the cover interior.

4. In a dust collector, a-cloth cover, means on said cover for operably attaching to the exhaust of a cleaner, a porous filtering aper liner arranged to line the interior of said cover and means within said cover for securscribed, a cloth cover having a mouth tube V and a vent, a separable paper lineradapted to operably attach to said mouth tube within said cover, and removable through said vent.

7. A dust collector comprising a bag like dust receiver made of porous filtering paper, or similar material, a separate receptacle of coarser fabrication, adapted to contain said dust receiver as a close fitting lining on its interior, means for attaching the assembled collector operably to a source or exhaust of dust laden air, together with means for preventing ballooning of the assembled when said dust receiver is inflated.

8. In a dust collector of the kind described having a cloth cover and mouth tube atparts,

tached thereto, a separable porous patter bag operably attached to said mouth to e and ing said liner, operably, to the exhaust aforeadapted to be closely enveloped by said cover.

9. In a dust collector of the kind described having a cloth cover and mouth tube attached, a separable flat paper bag adapted to be operably attached to .said tube, en-

folded within said cover, and means for se-.

curing said enfoldment.

10'. In a dust collector of the kind described a flat bag made of porous filtering paper, a

.cloth cover adapted to enfold said bag, means both cover and liner operably attached to a mouth tube, and said mouth tube operably attachable to the exhaust of a pneumatic cleaner, 'means for implicating the umted cover and liner, and a mat of porous ma- 'Woven fabric in combination with a paper terial between the implicated cloth of one side of said cover.

12. A dust collector comprising a bag, made of suitable porous fabric and having a mouth for operably attaching-same to a pneumatic cleaner, opposite edges of said bag folded together implicating one of the sides of the bag, and a clamp arranged to secure said edges.

13. A dust collector comprising a bag made of suitable porous fabric and having a mouth for operably attaching the same to, an air cleaning device, opposite edges of said bag folded together implicating one of the sides of the bag, a mat interposed between the folded fabric of the implicated side, and a clamp arranged to secure said edges and retain said ma't.

'14:. An air filtering dust collector comprising a bag made of flexible porous fabric and having a mouth for operably attaching to an air cleaning device, having also a long slit or vent at one edge of said bag, another edge of said bag folded in line with said vent, implicating one of the sides of the bag, and a clamp arranged to simultaneously secure said edges together and close said vent.

15. A dust collector and air filter comprising a bag made of flexible filtering material, said bag having a mouth for operably attaching it to an air cleaning device, corded portions on said'bag, and a clamp arranged to sec ire said corded portions together, implicatmg the material of the bag between said portions, whereby the filtering area of the bag, remains greater than the external outwardly disposed surface thereof when the ba i inflated.

16. K dust collector for vacuum cleaners comprising an inner filtering fabric receptacle, an outer coarser mesh receptacle enclosing .the filtering receptacle, said outer receptacle having an opening through which said inner receptacle is removable and means for attaching the assembled receptacles to a vacuum cleaner, so that dust laden air is, operativel directed into the inner filtering receptac e.

17. A porous paper bag adapted to be secured to the discharge pipe of a penumatic cleaner, in combination with. a mesh bag adapted to loosely envelop the paper bag, andmeans for securing the bags to the discharge pipe.

18. In a suction cleaner, a bag of porous bag within the same and connected to the discharge neck of the cleaner,'said first bag through which said-paper bag may be intro duced and withdrawn.

19. A ,porous paper bag. adapted tov be secured to the discharge pipe of a pneumatic cleaner and having attaching means adapted to bind it to the pipe, and a mesh bag inclosing the said paper bag and adapted to be secured to such discharge pipe.

20. In a dust collector of the kind described, a paper fabric filtering receptacle, a net-like coarser fabric receptacle enclosing the same and adapted to sustain the paper, in combination with means for directing dust carrying fluid through the fabrics.

21. A dust collector for pneumatic cleaners comprising a receptacle made of porous paper, a coarser fabric receptacle arranged .to enclose, support and sustain the paper, and means for operative attachment to the cleaner.

22. In combination with a pneumatic cleaner, a dust arresting element comprising a paper receptacle. supported and sustained by a cloth-like receptacle.

23. The combination with the discharge pipe of a pneumatic cleaner, of a paper dust bagja cloth cover adapted to support and sustain the paper bag, and means for operatively connecting with said dischar e pipe.

24 in combination with ,a manual y portable dust removing device, having a relabeing formed with a closable" opening tively long and rigidly connected handle, a

dust collecting 'eler'nent comprising a finer mesh fabric, a coarser mesh fabric sustaining the finer fabric, and the fabrics ,arranged in folds parallel to said handle; to-

gether with means for directing the fluid to be filtered through both fabrics.

25. The herein described dust-collector for pneumatic cleaners, comprising a flat mesh bag cover envelope, an inside lining filtering envelope of printed paper, means for directing dust laden air into the covered paper envelope and means for securing the muted envelopes in common folds, whereby a relatively extensive filtering surface is atits, and ,the filtering paper is sustained against inflation strains.

- DANIEL B. REPLOGLE. Witnesses S. T. KLOTZ,

LovmA Lownm.

tained Within relatively restricted space lim- 

